242710477 has 2 divisors, whose sum is σ = 242710478. Its totient is φ = 242710476.

The previous prime is 242710379. The next prime is 242710493. The reversal of 242710477 is 774017242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139098436 + 103612041 = 11794^2 + 10179^2 .

It is a cyclic number.

It is not a de Polignac number, because 242710477 - 2²³ = 234321869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242710577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121355238 + 121355239.

It is an arithmetic number, because the mean of its divisors is an integer number (121355239).

Almost surely, 2^242710477 is an apocalyptic number.

It is an amenable number.

242710477 is a deficient number, since it is larger than the sum of its proper divisors (1).

242710477 is an equidigital number, since it uses as much as digits as its factorization.

242710477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 242710477 is about 15579.1680458232. The cubic root of 242710477 is about 623.7772162801. Note that the first 3 decimals are identical.

The spelling of 242710477 in words is "two hundred forty-two million, seven hundred ten thousand, four hundred seventy-seven".